A woman carries her child through a field near the collapsed Plaza Towers Elementary School in Moore, Okla., Monday, May 20, 2013. A tornado as much as a mile (1.6 kilometers) wide with winds up to 200 mph (320 kph) roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school. (AP Photo Sue Ogrocki) less

A woman carries her child through a field near the collapsed Plaza Towers Elementary School in Moore, Okla., Monday, May 20, 2013. A tornado as much as a mile (1.6 kilometers) wide with winds up to 200 mph (320 ... more

Photo: Sue Ogrocki, Associated Press

A woman carries her child through a field near the collapsed Plaza... Photo-4660202.62877 - Times Union

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Teachers carry children away from Briarwood Elementary school after a tornado destroyed the school in south Oklahoma City, Monday, May 20, 2013. A monstrous tornado roared through the Oklahoma City suburbs, flattening entire neighborhoods with winds up to 200 mph, setting buildings on fire and landing a direct blow on an elementary school. less

Teachers carry children away from Briarwood Elementary school after a tornado destroyed the school in south Oklahoma City, Monday, May 20, 2013. A monstrous tornado roared through the Oklahoma City suburbs, ... more

Photo: Paul Hellstern, AP

Teachers carry children away from Briarwood Elementary school after... Photo-4660203.62877 - Times Union

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This aerial photo shows the remains of homes hit by a massive tornado in Moore, Okla., Monday May 20, 2013. A tornado roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school. (AP Photo/Steve Gooch) less

This aerial photo shows the remains of homes hit by a massive tornado in Moore, Okla., Monday May 20, 2013. A tornado roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting ... more

Photo: Steve Gooch, Associated Press

This aerial photo shows the remains of homes hit by a massive... Photo-4660204.62877 - Times Union

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A child is carried from the rubble of the Plaza Towers Elementary School following a tornado in Moore, Okla., Monday, May 20, 2013. A tornado as much as a mile (1.6 kilometers) wide with winds up to 200 mph (320 kph) roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school. less

A child is carried from the rubble of the Plaza Towers Elementary School following a tornado in Moore, Okla., Monday, May 20, 2013. A tornado as much as a mile (1.6 kilometers) wide with winds up to 200 mph ... more

Photo: Sue Ogrocki, ASSOCIATED PRESS

A child is carried from the rubble of the Plaza Towers Elementary... Photo-4660205.62877 - Times Union

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Taboola Gallery Frame Item-85307.62877 - Times Union

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Raw: iWitness Moore Oklahoma Item-19307.62877 - Times Union

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A parent rushes to embrace her child as a teacher escorts her away from Briarwood Elementary school after a tornado destroyed the school in south Oklahoma City, Okla, Monday, May 20, 2013. Near SW 149th and Hudson. (AP Photo/ The Oklahoman, Paul Hellstern) less

A parent rushes to embrace her child as a teacher escorts her away from Briarwood Elementary school after a tornado destroyed the school in south Oklahoma City, Okla, Monday, May 20, 2013. Near SW 149th and ... more

Photo: PAUL HELLSTERN, Associated Press

A parent rushes to embrace her child as a teacher escorts her away... Photo-4660206.62877 - Times Union

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Cindy Wilson texts to friends after her home was destroyed in the afternoon tornado. Cindy and her husband, Staff Sgt. B. Wilson, took cover in their home's bathtub when the tornado hit. Cindy received a deep gash to her forehead and her wound was treated by first responders at the scene. Tornado caused extensive damage in the Madison Place Addition, near SE 8 and Tower in Moore, on Monday, May 20, 2013. (AP Photo/ The Oklahoman, Jim Beckel) less

Cindy Wilson texts to friends after her home was destroyed in the afternoon tornado. Cindy and her husband, Staff Sgt. B. Wilson, took cover in their home's bathtub when the tornado hit. Cindy received a deep ... more

Photo: Jim Beckel, Associated Press

Cindy Wilson texts to friends after her home was destroyed in the... Photo-4660207.62877 - Times Union

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Kay Taylor stands with her dog Bailey in front of her house that was destroyed after the tornado that hit the area near 149th and Drexel on Monday, May 20, 2013 in Oklahoma City, Okla. (AP Photo/ The Oklahoman, Chris Landsberger) less

Kay Taylor stands with her dog Bailey in front of her house that was destroyed after the tornado that hit the area near 149th and Drexel on Monday, May 20, 2013 in Oklahoma City, Okla. (AP Photo/ The ... more

Photo: CHRIS LANDSBERGER, Associated Press

Kay Taylor stands with her dog Bailey in front of her house that... Photo-4660208.62877 - Times Union

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Taboola Gallery Frame Item-85307.62877 - Times Union

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Teachers carry children away from Briarwood Elementary school after a tornado destroyed the school in south Oklahoma City, Okla, Monday, May 20, 2013. Near SW 149th and Hudson. (AP Photo/ The Oklahoman, Paul Hellstern) less

Teachers carry children away from Briarwood Elementary school after a tornado destroyed the school in south Oklahoma City, Okla, Monday, May 20, 2013. Near SW 149th and Hudson. (AP Photo/ The Oklahoman, Paul ... more

Photo: PAUL HELLSTERN, Associated Press

Teachers carry children away from Briarwood Elementary school after... Photo-4660209.62877 - Times Union

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Children wait for their parents to arrive at Briarwood Elementary school after a tornado destroyed the school in south Oklahoma City, Okla, Monday, May 20, 2013. Near SW 149th and Hudson. (AP Photo/ The Oklahoman, Paul Hellstern) less

Children wait for their parents to arrive at Briarwood Elementary school after a tornado destroyed the school in south Oklahoma City, Okla, Monday, May 20, 2013. Near SW 149th and Hudson. (AP Photo/ The ... more

Photo: PAUL HELLSTERN, Associated Press

Children wait for their parents to arrive at Briarwood Elementary... Photo-4660210.62877 - Times Union

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Magen Stanley, 5, walks away from her grandparents destroyed home after a tornado hit the area near 149th and Drexel on Monday, May 20, 2013 in Oklahoma City, Okla. (AP Photo/ The Oklahoman, Chris Landsberger)

Magen Stanley, 5, walks away from her grandparents destroyed home after a tornado hit the area near 149th and Drexel on Monday, May 20, 2013 in Oklahoma City, Okla. (AP Photo/ The Oklahoman, Chris Landsberger)

Clark Gardner, at left, and another man place an American flag on debris in a neighborhood off of Telephone Road in Moore, Okla., after a tornado moved through the area on Monday, May 20, 2013. (AP Photo/ The Oklahoman, Bryan Terry) less

Clark Gardner, at left, and another man place an American flag on debris in a neighborhood off of Telephone Road in Moore, Okla., after a tornado moved through the area on Monday, May 20, 2013. (AP Photo/ The ... more

Photo: BRYAN TERRY, Associated Press

Clark Gardner, at left, and another man place an American flag on... Photo-4660212.62877 - Times Union

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Taboola Gallery Frame Item-85307.62877 - Times Union

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Briarwood Elementary P.E. teacher Mike Murphy comforts Aiden Stuck, 7, as he waits for his mother at the school after a tornado destroyed Briarwood Elementary and struck south Oklahoma City and Moore, Okla., Monday, May 20, 2013.(AP Photo/ The Oklahoman, Nate Billings) less

Briarwood Elementary P.E. teacher Mike Murphy comforts Aiden Stuck, 7, as he waits for his mother at the school after a tornado destroyed Briarwood Elementary and struck south Oklahoma City and Moore, Okla., ... more

Rebekah Stuck hugs her son, Aiden Stuck, 7, after she found him in front of the destroyed Briarwood Elementary after a tornado struck south Oklahoma City and Moore, Okla., Monday, May 20, 2013. Aiden Stuck was inside the school when it was hit. (AP Photo/ The Oklahoman, Nate Billings) less

Rebekah Stuck hugs her son, Aiden Stuck, 7, after she found him in front of the destroyed Briarwood Elementary after a tornado struck south Oklahoma City and Moore, Okla., Monday, May 20, 2013. Aiden Stuck was ... more

Photo: NATE BILLINGS, Associated Press

Rebekah Stuck hugs her son, Aiden Stuck, 7, after she found him in... Photo-4660214.62877 - Times Union

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Chole Findley walks with her grandson Mark Williams as they leave the area where their home was destroyed after the tornado hit the area near 149th and Drexel on Monday, May 20, 2013 in Oklahoma City, Okla.(AP Photo/ The Oklahoman, Chris Landsberger) less

Chole Findley walks with her grandson Mark Williams as they leave the area where their home was destroyed after the tornado hit the area near 149th and Drexel on Monday, May 20, 2013 in Oklahoma City, Okla.(AP ... more

Photo: CHRIS LANDSBERGER, Associated Press

Chole Findley walks with her grandson Mark Williams as they leave... Photo-4660215.62877 - Times Union

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A tornado victim is loaded in an ambulance on Robinson and 142 in south Oklahoma City, Okla., Monday, May 20, 2013. (AP Photo/ The Oklahoman, David McDaniel)

A tornado victim is loaded in an ambulance on Robinson and 142 in south Oklahoma City, Okla., Monday, May 20, 2013. (AP Photo/ The Oklahoman, David McDaniel)

Photo: David McDaniel, Associated Press

A tornado victim is loaded in an ambulance on Robinson and 142 in... Photo-4660216.62877 - Times Union

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Taboola Gallery Frame Item-85307.62877 - Times Union

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Searchers rest outside the Briarwood Elementary School after the tornado destroyed the school , Monday, May 20, 2013. (AP Photo/ The Oklahoman, David McDaniel)

Searchers rest outside the Briarwood Elementary School after the tornado destroyed the school , Monday, May 20, 2013. (AP Photo/ The Oklahoman, David McDaniel)

Photo: David McDaniel, Associated Press

Searchers rest outside the Briarwood Elementary School after the... Photo-4660217.62877 - Times Union